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West Sussex · London and the South East

Roof leak investigation in Southwick, West Sussex

Tracing where water is getting into your roof in Southwick, carried out by an experienced roof surveyor. Every survey comes with a written report and photographs.

  • Wet patches on loft insulation
  • Water through the ceiling under a flat roof
  • Damp on a chimney breast

Roof leak investigations in Southwick

Roof leak investigations for homes and businesses in Southwick

Some leaks only appear in certain weather. Driving rain from one direction, melting snow or a gutter that overflows in a downpour can all set it off. Telling us when it happens helps a lot and so do photos. Even on a dry day, a leak typically leaves clues: stained timbers, tide marks and damp underlay. Moisture readings show where materials are still wet. We’re often asked to look into leaks that appear only in driving rain and water through the ceiling under a flat roof, across rooflights and dormers, slate and tile slopes and lead flashings.

In a smaller place like Southwick, some roofs face open ground, so wind and driving rain find any weakness in ridges, verges and flashings. A leak that only appears in certain weather frequently points to an exposed detail. It is useful to know when and where the water appears. Gutters and downpipes on the exposed side are worth a look as well.

The report records the leaking roof as we found it on the day. It is useful right away, and a good reference for later.

Location
Southwick (BN42, BN41, BN43)
Region
West Sussex
Price
From £150 inc. VAT
Report
Emailed report with photos and recommendations
Survey days
Monday to Sunday, daytime
Cover
PI and public liability insurance
Telephone
07833 053749
Updated
27 October 2026
Illustration of a loft under a pitched roof with water dripping from the ridge into a puddle, and a magnifying glass

Common roof problems in Southwick

Valleys carry a lot of water. Worn lead, cracked linings or a build-up of leaves and moss can send that water under the coverings. The stain may appear well away from the valley itself.

Here are some of the things we see often:

  • Leaks that appear only in driving rain
  • Damp on a chimney breast
  • Damp walls below an overflowing gutter
  • Wet patches on loft insulation

If you run a business near Churchill Square, water through a ceiling can damage stock and close a sales floor, so the source needs finding fast.

Questions to ask before you book

  • Which parts of the roof they’ll actually see
  • Their report turnaround times
  • Whether VAT is in the quoted price
  • How much experience they have with roofs like yours

What’s in a roof survey

Before and after the survey

A few practical points come up again and again on our surveys. They’re worth knowing whatever the roof:

  • Do not touch fittings that water is reaching
  • Tell us about any past repairs to the roof
  • Photograph the stain each time it appears
  • Check whether pipes or tanks run near the stain

Standard includes a follow-up consultation to talk the findings through, and Premium includes an in-person consultation. It is a chance to ask about anything in the report.

After a storm, check the roof from the garden and the street. Slipped slates, lifted ridge tiles and debris on the ground are signs to act on. Small faults dealt with quickly rarely become leaks.

How it works

Photographs are taken throughout the visit, so you can see in the report what we found and where. Close-ups come from the safest viewpoint available. A typical visit takes between one and two hours at most homes, or half a day or so for a commercial building. In a smaller place like Southwick, as anywhere, the forecast plays a part: the parts that need calm, dry weather are planned around it.

  1. You let us know where the water appears, when, and what the weather was doing.
  2. Inside, we look at the stain and the ceiling around it.
  3. In the loft, we follow any signs of water back towards the roof.
  4. Outside, we check flashings, valleys, chimneys, gutters and flat roof details from every safe viewpoint.
  5. You receive a report with the likely source, photos and recommendations.

Preparing for the visit

  • Let us know about parking near the property
  • Keep pets out of the way during the survey
  • Point out any leaks or damp patches

Booking a survey

Every survey is priced before it is booked, so you know the cost up front. Roof leak investigation starts from £150, including VAT. For a price for your roof, ring 07833 053749 or send us an email.

Book a survey

Related advice

Different roofs, different checks

Lead flashings

Water from a failed flashing can travel down the wall or along a rafter. We check every flashing that could feed the stain.

Slate and tile slopes

Cracked mortar lets ridge and hip tiles move. Rain can then run in at the ridge.

Why act early in Southwick

A small drip today can be a bigger leak after the next storm. Each storm can open a gap a little more. An investigation now gives you time to plan the work. Around Southwick, a leak in an older house can soak into timbers and plaster, which is far harder to put right than the roof fault itself.

Larger roofs, taller buildings and commercial roofs take longer, so they’re priced to match. You’ll know the figure before booking.

Why choose Independent Roof Survey in Southwick

  • 20+ years’ experience
  • CAA-registered drone operator (Flyer ID and Operator ID)
  • Thermal imaging and drones used where they help
  • An independent look at the roof

Take a look at what a roof survey costs or our case studies.

Common questions in Southwick

Do roofs near the sea, like those around Southwick, take more of a battering?

Near the coast, roofs face more wind and more salt than further inland. Salt corrodes metal fixings and flashings, and wind lifts loose slates, tiles and ridge pieces.

Is my home in Southwick listed or in a conservation area?

For listing, use Historic England’s list; for conservation areas, ask the council. It matters most if you’re planning to re-roof in a different material.

Will you fix the leak as part of this?

This service finds and reports the cause, and the repair is separate. The report gives any roofer a clear brief.

How much does a roof leak investigation cost in Southwick?

Roof leak investigation starts from £150, including VAT. The final figure depends on the roof and the package you choose, confirmed before anything is booked.

Is thermal imaging part of a leak investigation?

It can, when the conditions are right. It works best after a sunny day, with a dry roof surface and little wind. Damp areas can hold heat differently from dry ones. We always check what it shows with moisture readings.

Do I have to be there for the survey?

Not necessarily. If we only need the outside, we can agree that ahead of time, but the loft and any rooms with damp need someone to let us in.

What insurance do you have?

Professional indemnity and public liability insurance cover our surveys. If you need details for a managing agent or a building owner, just ask.

Surveys for landlords and agents in Southwick

Freeholders and residents’ companies use a roof report to plan and budget, putting the urgent items at the top.

If you own several properties, you can book surveys for several addresses. To arrange surveys for several addresses, call 07833 053749 or use the contact form.

What a roof leak investigation looks like in Southwick

The coast is about 1 mile or less from Southwick, so there’s more wind and more salt in the air than further inland. Driving rain off the sea can be pushed into gaps that stay dry in calmer weather, and salt air slowly wears metal fixings. In Sussex, older roofs are frequently handmade clay tile, frequently with tile-hanging on the walls below. A few old Sussex buildings still carry heavy Horsham stone slabs. Different coverings let water in at different points, which shapes where the search starts.

Homes near green spaces such as Benfield Hill can get more leaves in their gutters in autumn, so outlets and downpipes are worth watching. Portslade Manor lies about 0.8 miles north-east, so building around Southwick goes back a long way. Older roofs around here can leak at old repairs as readily as at original details.

Southwick is about 2 miles east of Shoreham-by-Sea, in West Sussex. We cover Southwick and the rest of West Sussex, as part of our work across London and the South East. Our West Sussex coverage includes Southwick and the places around it.

Surveys in BN42, BN41 and BN43 are booked the same way as anywhere else. If you need a roof leak investigation at a property on Station Road, Roman Crescent and Southwick Street or anywhere close by, we can survey it. Southwick is on the A259 and A270, which makes it simple to reach. We also cover the places around Southwick: Kingston by Sea (1 mile north-west), Portslade (1 mile north-east), Shoreham-by-Sea (2 miles west), Hangleton (2 miles north-east) and Old Shoreham (2 miles west). Larger places within reach include Worthing (7 miles west), Haywards Heath (13 miles north-east), Burgess Hill (10 miles north-east), Littlehampton (13 miles west), Lancing (4 miles west) and Rustington (12 miles west).

Local landmarks in Southwick

Around Southwick, our work takes us to homes and buildings near Shoreham Academy, Benfield Hill and The Ship Inn and the streets around them. There is a railway station in Southwick itself: Southwick station. Nearby you will also find Southlands Hospital (1 mile west) and Churchill Square (4 miles east). For a walk, there’s Shoreham Beach and Thundersbarrow Hill.

Map of Southwick © OpenStreetMap contributors
20+ yearsRoof survey experience
5,000+ surveys98% customer satisfaction
Drones and thermal imagingCAA-registered drone operator
Fully insuredProfessional indemnity and public liability
Reports from £150Prices include VAT